Tested using Arduino IDE 1.8.19 and Espressif ESP32-BOX-S3-3 with USB host dock. In the picture above, the USB keyboard is plugged into the blue dock. The USB power bank powers the dock, the USB ...

A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemade daughterboard–er, shield–to connect it ...

Wiring: The SARA R510M8S module is connected to the microcontroller via UART or other communication interfaces. Power: Powered by an appropriate DC source (typically 5V for SARA R5 with V_ext).